90654620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4943}}^1$

素因数の和:5090

約数の個数: 48

約数和(自身を含む): 219276288

約数和(自身を除く): 128621668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 4943, 9170, 9886, 18340, 19772, 24715, 34601, 49430, 69202, 98860, 138404, 173005, 346010, 647533, 692020, 1295066, 2590132, 3237665, 4532731, 6475330, 9065462, 12950660, 18130924, 22663655, 45327310, 90654620]

約数ペア:

[(1, 90654620), (2, 45327310), (4, 22663655), (5, 18130924), (7, 12950660), (10, 9065462), (14, 6475330), (20, 4532731), (28, 3237665), (35, 2590132), (70, 1295066), (131, 692020), (140, 647533), (262, 346010), (524, 173005), (655, 138404), (917, 98860), (1310, 69202), (1834, 49430), (2620, 34601), (3668, 24715), (4585, 19772), (4943, 18340), (9170, 9886)]